We look at the division of 758108 by 21 
We want to figure out the number of times 758108 can be divided by 21.

Let's proceed to step 1:
When dividing 7 by 21, we get 0 with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Grab the next digit (5) from the dividend, add it to 7, then carry on: 75 / 21

Advancing to step 2:
When dividing 75 by 21, we get 3 with a remainder of 12.
The next digit of our result is 3. 
Result so far: 3.0
Subtracting 63 from 75 leaves us with 12.
Take the next digit (8) from the dividend and append it to 12, then repeat: 128 / 21

Advancing to step 3:
21 goes into 128 6 times with a remainder of 2.
Use 6 as the next digit of our solution. 
Result so far: 36.0
Subtracting 126 from 128 leaves us with 2.
Fetch the next digit (1) from the dividend, attach it to 2 and continue: 21 / 21

Advancing to step 4:
When dividing 21 by 21, we get 1 with a remainder of 0.
Use 1 as the next digit of our solution. 
Result so far: 361.0
If we subtract 21 from 21, we get 0.
Bring next digit (0) of the dividend behind the 0 and repeat the process: 0 / 21

Going ahead to step 5:
21 goes into 0 0 times with a remainder of 0.
The next digit of our result is 0. 
Result so far: 3610.0
If we take 0 away from 0, we end up with 0.
Include the next digit (8) from the dividend after 0, then repeat: 8 / 21

Going ahead to step 6:
21 can be fit into 8 0 times, resulting in a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 36100.0
If we subtract 0 from 8, we get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Moving on to step 7:
21 can be fit into 80 3 times, resulting in a remainder of 17.
The next digit of our result is 3. 
Result so far: 36100.3
Deduct 63 from 80 and we're left with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Going ahead to step 8:
21 goes into 170 8 times with a remainder of 2.
The next digit of our result is 8. 
Result so far: 36100.38
Subtracting 168 from 170 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 9:
When dividing 20 by 21, we get 0 with a remainder of 20.
Use 0 as the next digit of our solution. 
Result so far: 36100.38
If we take 0 away from 20, we end up with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 10:
The number 21 fits into 200 9 times, leaving a remainder of 11.
Write down 9 as next digit of the result. 
Result so far: 36100.3809
Subtracting 189 from 200 leaves us with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

On to step 11:
110 divided by 21 is 5 with a remainder of 5.
Write down 5 as next digit of the result. 
Result so far: 36100.38095
If we take 105 away from 110, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 12:
If we divide 50 by 21, we get 2 and a remainder of 8.
Use 2 as the next digit of our solution. 
Result so far: 36100.380952
The remainder is 8 after subtracting 42 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 13:
21 can be fit into 80 3 times, resulting in a remainder of 17.
Put 3 as the next digit of the answer. 
Result so far: 36100.3809523
The remainder is 17 after subtracting 63 from 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Moving on to step 14:
21 goes into 170 8 times with a remainder of 2.
Record the quotient 8 as the next digit in the result. 
Result so far: 36100.38095238
If we take 168 away from 170, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Our division results in 36100.38095238 with a remaining 2e-09.